Finding the Fourth Proportional to 479,343.21, 661,507.47 and 264,497.12
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Solution
The fourth proportional to 479,343.21, 661,507.47 and 264,497.12 is: 365,013.66
Step by Step Solution
- Step 1: Write the proportion equation
479,343.21 : 661,507.47 = 264,497.12 : x - Step 2: Convert to fraction form
479,343.21/661,507.47 = 264,497.12/x - Step 3: Cross multiply
479,343.21x = 661,507.47 × 264,497.12 - Step 4: Simplify right side
479,343.21x = 174,966,818,357.81 - Step 5: Solve for x
x = 174,966,818,357.81/479,343.21 - Step 6: Final answer
x = 365,013.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.